/*
 * Copyright 2008-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.flushpongle.digr2id.grails.plugins.codecs

import java.security.MessageDigest
import sun.misc.BASE64Encoder;

/**
 * @author Vladimir Tsukur
 */
class DigesterAndBase64Encoder {

    String process(String input, String algorithm) {
        encode(digest(input, algorithm))
    }

    private byte[] digest(String input, String algorithm) {
        MessageDigest messageDigest = MessageDigest.getInstance(algorithm)
        messageDigest.update(input.getBytes("UTF-8"))
        messageDigest.digest()
    }

    private String encode(byte[] input) {
        new BASE64Encoder().encode(input)
    }

}
